Inventions What plaything was invented by Joe McVicker in 1956? Play-Doh Etch-A-Sketch Lite-Brite Silly Putty Play-Doh Etch-A-Sketch Lite-Brite Silly Putty ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1790 1765 1770 1742 1790 1765 1770 1742 ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Electric mixer Blender Washing machine Vacuum cleaner Electric mixer Blender Washing machine Vacuum cleaner ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1800s 1890s 1900s 1880s 1800s 1890s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Screw propellor Chesterfield Electric streetcar Sleeping (railway) car Screw propellor Chesterfield Electric streetcar Sleeping (railway) car ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first Lionel trains manufactured? 1890 1920 1901 1944 1890 1920 1901 1944 ANSWER DOWNLOAD EXAMIANS APP
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